diff options
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index 9f56887029ca..90c85b3e859b 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -939,12 +939,15 @@ void dce110_edp_backlight_control( return; } - if (enable && link->panel_cntl && - link->panel_cntl->funcs->is_panel_backlight_on(link->panel_cntl)) { - DC_LOG_HW_RESUME_S3( - "%s: panel already powered up. Do nothing.\n", + if (link->panel_cntl) { + bool is_backlight_on = link->panel_cntl->funcs->is_panel_backlight_on(link->panel_cntl); + + if ((enable && is_backlight_on) || (!enable && !is_backlight_on)) { + DC_LOG_HW_RESUME_S3( + "%s: panel already powered up/off. Do nothing.\n", __func__); - return; + return; + } } /* Send VBIOS command to control eDP panel backlight */ |